This article reports the outcome of an investigation made to uncover the premature failure of crusher jaws produced in a local foundry. The investigation was conducted using a systematic approach by assembling background information; performing visual, fractographic and metallographic examinations; performing chemical analysis; …
the problem was undertaken in order to prevent catastrophic failure of the crushing station. A specially developed, combined numerical and experimental method was used to …
The paper deal s with the analysis of the causes of knife holder failure. The holder is a part of the car tyre shredding equipment. Based on the evaluation of the operating conditions of the ...
Failure analysis of eccentric bushings in large gyratory crusher. Torque Analysis of a Gyratory Crusher with the Discrete Element Method. A novel polar representation of the radial forces is proposed that may help designers, engineers, and operators to recognize the distribution of force loads on the mantle in an easier and intuitive way. Expand.
This article reports the outcome of an investigation made to uncover the premature failure of crusher jaws produced in a local foundry. The investigation was …
Several experimental and numerical analysis has been performed by researchers in improvement areas of crushers in estimating the energy consumption, designing of components to avoid failure, productivity improvement, etc. which is briefly reported in this section. 3.1 Experimental and Numerical Analysis of Primary Crushers
Failure rate analysis of Jaw Crusher: a case study. Failure of crusher components has considerable influence on the productivity of a crushing plant. In order to improve performance and operational reliability, its critical components are needed to be identified to make replacement in time before any catastrophic failure happens.
Failure analysis of jaw crusher and its components using ANOVA. J Brazil Soc Mech Sci Eng 2015. DOI: 10.1007/s40430-015-0393-6. Crossref. Google Scholar. 63. Chang SH, Teng TT, Ismail N. Screening of factors influencing Cu(II) extraction by soybean oil-based organic solvents using fractional factorial design.
To accurately predict fatigue life and reliability of the forage crusher rotor, the stress load spectrum of the rotor is obtained via the two-way fluid-structure coupling method, which calculates the coupled flow field in the forage crusher and rotor structure. The fatigue life of the rotor is predicted, and its reliability is analyzed. Finally, the rotor is …
reliability tools failure modes and effects analysis and total time to test-Plot are explored in support of the study. Crusher component failure details for one year have been considered for the analysis. Keywords Reliability centered maintenance Failure mode and effect analysis Total time on test Risk priority number Cone crusher 1 Introduction
From nuclear fuel rod assembly to rocket aircraft applications, mechanical springs are being used in sophisticated technologies that serve various purposes beyond safety and service. Although they are relatively cheaper and readily replaceable, sometimes an unpredicted breakdown may lead to severe damage to property as well as accidents. …
The present paper deals with failure analysis of rock crusher and its critical components using total time on test (TTT)-plot and other statistical tools.
The failure analysis of bearing samples has been done regarding the failure component with their percentage of Failure mode. Results shows the most encounter failure component is inner ring which depicts 90% of failure mode while rolling element depicts the least one with 30%. Failure-Cause Analysis of Bearing Samples 100 90 80 70 60 50 40 …
To explore the presence of trend in the time between Failures (TBFs) data of jaw crushers and its components, the cumulative time between successive failures are plotted against cumulative number of failures. To test the TBFs for independence, the failure data are tested for serial …
In this article, we report the outcome of an investigation made to uncover the premature fracture of crusher jaws produced in a local foundry. A crusher jaw that had failed while in service was studied through metallographic techniques to determine the cause of the failure. Our investigation revealed that the reason for the fracture was the …
Shortly after the start-up of the loaded gyratory crusher, a severe failure issue occurred in the eccentric bushing of the crusher.Based on the analysis of working conditions and force, the failure mechanism of the eccentric bushing is studied in detail by combining macroscopic analysis, finite element analysis, scanning electron microscopy …
TTT-plot helps in obtaining the shape of the failure rate function which indicates failure rate and aging of compo-nents and decides most favorable time for preventive maintenance. 2.2 Trend analysis of failure data To explore the presence of trend in the time between Failures (TBFs) data of jaw crushers and its components,
The present paper deals with failure analysis of rock crusher and its critical components using total time on test (TTT)-plot and other statistical tools, which has proven to be a useful tool in reliability analysis. Failure of crusher components has considerable influence on the productivity of a crushing plant. In order to improve performance and …
This paper considers the methods for analysing failures of jaw crusher and its critical components in a mineral processing plant using statistical tools namely life …
slag. The Hammer crusher wears out which causes its service life not to match its ideal use. The purpose of this study is to determine the cause of the failure of the hammer crusher, to know the mechanism of the failure of the hammer crusher, and to find the solution for the failure of the hammer crusher.
The failure of crusher jaws was attributed to brittle fracture as a result of precipitates of carbides from the inability of precipitated carbides to absorb shock during impact working. ... Olawale JO, Ibitoye SA and Shittu MD. A study of premature failure of crusher jaws. Journal of Failure Analysis and Prevention. 2011; 11(6):705-709. http ...
This paper considers the methods for analyzing failure rates of a jaw crusher and its critical components application of a two-parameter Weibull distribution in …
Jaw crusher is the key crusher equipment for stone crushing production. Many customers will meet various kinds of fault problems during production process, which will affect the whole production schedule. Here, Luoyang …
Analysis of Common Failures and Causes of Cone Crusher author:dahua1 time:2020-03-03 1.Cracking sound when breaking ore ... and water in the fuel tank. "Flying car" failure will cause the crusher to vibrate strongly, the main shaft to be hugged, and tile breaking. 6. There is a strong impact sound, the support sleeve jumps up and then works ...
DOI: 10.1016/j.engfailanal.2023.107630 Corpus ID: 261800193; Failure analysis of eccentric bushings in large gyratory crusher @article{Liu2023FailureAO, title={Failure analysis of eccentric bushings in large gyratory crusher}, author={Zhengbin Liu and Qiushi Bi and Jianbo Guo and Gang Liu and Mingxing Zhou and Qingxue …
Failure Analysis of a Cylindrical Roller Bearing from a Rolling Mill Goutam Mukhopadhyay • S. Bhattacharya Submitted: 8 January 2011/in revised form: 7 March 2011/Published online: 23 March 2011 ASM International 2011 Abstract Premature failure of a cylindrical roller bearing of a gear box input shaft from a hot strip mill has been investigated.
where h(t) is the failure rate, β is the shape parameter, η is the scale parameter and t is the time. The most important advantage of Weibull distribution is the ability to provide reasonably accurate analysis with extremely small data size [].Most of the research works which have been carried out using ANOVA are seen in the areas of …
Further by implementing ANOVA, parameters such as the shape, scale and time are evaluated to examine the failure rates of crusher and its components. The data for these three parameters have been generated through Monte-Carlo Simulation method. A 23 factorial design is used for the failure rate analysis.
Download Citation | On Sep 1, 2023, Zhengbin Liu and others published Failure analysis of eccentric bushings in large gyratory crusher | Find, read and cite all the research you need on ResearchGate
If that is true, the root cause analysis should focus on what failure modes would contribute to the failure of the bushing. A few examples: ... In my previous position, I was a Reliability Engineer with an Iron Ore operation and had a similar failure except our crusher was in operation for a number of years, not a new install (the mine was in ...